Instructions for Integrating PostFinance Checkout into Payrexx

Setting up PostFinance

Create an Account with PostFinance

After that, setup the so-called "Space" in the account:

1. Space-Name: It is best to choose your shop/instance name.
2. Fill in the other fields.
3. Choose the payment methods you want to offer.
4. You can skip the selection of an "Integration".
5. Copy the ID of your 'Spaces' (you will have to enter it in Payrexx later).

Create an Application User:

1. Also enter here as a 'Name' your shop/instance name.
2. Copy the User ID and the authentication key (these must also be entered in Payrexx).

Link/Connect User and Space:

1. Go to "Manage Roles".
2. At Space Roles, click on the "+" .
3. Select your shop under "Context".

Linking User and Space

Setup in Payrexx

Now enter the following data in Payrexx:

• Space-ID
• User-ID
• Authentication-Key

Finally, choose which payment methods you want to offer your customers in the shop.